Genetics Terminology and Gregor Mendel's Pea Plant Experiment
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Questions and Answers

What is the term used to describe plants or animals produced by the cross-breeding of two genetically different varieties or species?

  • Hybrid (correct)
  • Homozygous
  • Autosomal
  • Recessive
  • In genetics, what does the term 'allele' refer to?

  • The dominant gene in a pair
  • The recessive gene in a pair
  • A specific form of a gene (correct)
  • A specific physical trait expressed in an organism
  • What is the term used to describe having two identical alleles coding for a particular trait?

  • Homozygous (correct)
  • Dominant
  • Autosomal
  • Recessive
  • Which term is associated with genes located on autosomes rather than sex chromosomes?

    <p>Autosomal</p> Signup and view all the answers

    In Mendel's pea plant experiment, what did he observe when parents with pure, contrasting traits were crossed together?

    <p>Only the dominant traits appeared in the next generation</p> Signup and view all the answers

    During the formation of gametes, why does each gene separate from each other?

    <p>To ensure each gamete carries only one allele for each gene</p> Signup and view all the answers

    What is represented by uppercase letters in a Punnett square?

    <p>Dominant alleles</p> Signup and view all the answers

    What is the term for one of two or more versions of a genetic sequence at a particular region on a chromosome?

    <p>Allele</p> Signup and view all the answers

    In genetics, lowercase letters typically represent:

    <p>Recessive alleles</p> Signup and view all the answers

    If an individual inherits two copies of a specific allele, one from each parent, what term is used to describe this allele?

    <p>Recessive</p> Signup and view all the answers

    What do Punnett squares allow for the observation of?

    <p>All possible combinations</p> Signup and view all the answers

    Which term describes the set of genes in DNA that an individual possesses?

    <p>Genotype</p> Signup and view all the answers

    Which of the following is NOT true about alleles in a Punnett square?

    <p>They are located on autosomes</p> Signup and view all the answers

    In humans, what are the numbered chromosomes that contain genes not related to sex determination called?

    <p>Autosome</p> Signup and view all the answers

    What is the significance of uppercase and lowercase letters in genetics?

    <p>Representing dominant and recessive alleles</p> Signup and view all the answers

    If a person has one or both copies of a specific allele influencing a trait, what term is used to describe this allele?

    <p>Carrier</p> Signup and view all the answers

    In a Punnett square, what is typically represented by homozygous genotypes?

    <p>Dominant traits</p> Signup and view all the answers

    What type of allele influences a specific trait if an individual has one or both copies of it, coming from one or both parents?

    <p>Dominant</p> Signup and view all the answers

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